@article{oliveira1985,
  author  = {Oliveira, Rafiqul and Nair, Wolfgang and Saleh, Abdul and El-Sayed, Anwar},
  title   = {On Solar Thermal Collectors},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1985},
  volume  = {9},
  number  = {1},
  pages   = {358-381},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1985.0901.020},
  url     = {https://journal.bsaps.com/article/6187}
}